ESH_OM_SYSREL is a standard SAP Table which is used to store Product Versions data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The ESH_OM_SYSREL table consists of various fields, each holding specific information or linking keys about Product Versions data available in SAP. These include SYSREL_GUID (Software Component GUID), SYSREL (Software Component), COMPONENT (Software Component), COMPONENT_REL (SAP Release)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .